What are the forms of matter
Matter is anything that has mass or takes up space, mass is a measurement of how much stuff is inside, volume is a measurement of how much space an object occupies
What 2 categories is matter broken into
Pure substance and mixtures
What are properties
How an atom is arranged gives matter to different properties.ex,object with 2 hydrogens and 1 oxygen is H2O
What are the 2 types pf substances
Element and compound
What does an element and compound contain
Element: contains one particle that cant be broken down any further
Compound: contains two or more particles that are chemically combined
What are pure substances made of
Pure substances are made of one type of particle
What are mixtures made of
Mixtures are made of more than one kind of particle that are not chemically combined
What are the two types of mixtures
Heterogenous and homogeneous
Define heterogeneous and homogeneous mixtures
Heterogeneous mixtures: the parts of a mixture all look different
Homogeneous mixtures: the parts of the mixture all look the same
Name 5 examples of properties
State, colour, texture, crystal structure, taste, odour, solubility, freezing/melting point, boiling point, density, behaviour
When does a chemical change occur
A chemical change occurs when a substance changes into one or more new substances with different properties
What can a physical change cause
A physical change may cause a change in form or state but not in a substance
